/**
 * 头脑风暴API服务
 */
import { apiClient } from '@/utils/api-client';
import type { CreationSession, Question, Viewpoint, Outline } from '@/types/brainstorm';
import { aiHintService } from './ai-hint.service';

class BrainstormService {
  // ==================== 会话管理 ====================

  async createSession(data: {
    topic: string;
    hotTopicId?: string;
    templateId?: string;
    modelId?: string;
  }): Promise<CreationSession> {
    // TODO: 实现真实API调用
    return {
      id: `session-${Date.now()}`,
      title: `${data.topic}创作`,
      topic: data.topic,
      hotTopicId: data.hotTopicId,
      templateId: data.templateId,
      stage: 'brainstorming',
      questions: [],
      viewpoints: [],
      paragraphs: [],
      metadata: {
        modelId: data.modelId,
      },
      createdAt: new Date().toISOString(),
      updatedAt: new Date().toISOString(),
    };
  }

  async getSession(sessionId: string): Promise<CreationSession> {
    // TODO: 实现真实API调用
    throw new Error('Not implemented');
  }

  async updateSession(sessionId: string, updates: Partial<CreationSession>): Promise<void> {
    // TODO: 实现真实API调用
    console.log('Updating session:', sessionId, updates);
  }

  async deleteSession(sessionId: string): Promise<void> {
    // TODO: 实现真实API调用
    console.log('Deleting session:', sessionId);
  }

  // ==================== 问答管理 ====================

  async generateQuestions(sessionId: string, count: number, topic?: string, modelId?: string): Promise<Question[]> {
    // 基础问题模板
    const questionTemplates = [
      {
        purpose: 'audience' as const,
        text: '你的目标读者是谁？他们有什么特点？',
        explanation: '明确目标读者有助于确定文章的语言风格和内容深度。',
      },
      {
        purpose: 'viewpoint' as const,
        text: '你想在这篇文章中表达什么核心观点？',
        explanation: '核心观点是文章的灵魂，决定了内容的方向和价值。',
      },
      {
        purpose: 'material' as const,
        text: '你有哪些素材或案例可以用来支撑你的观点？',
        explanation: '具体的素材和案例能让文章更有说服力。',
      },
      {
        purpose: 'style' as const,
        text: '你希望文章采用什么样的风格？',
        explanation: '文章风格影响读者的阅读体验和理解效果。',
      },
      {
        purpose: 'goal' as const,
        text: '你希望读者读完文章后有什么收获？',
        explanation: '明确期望效果有助于把握文章的结构和重点。',
      },
    ];

    // 如果提供了主题，动态生成提示
    let dynamicHints: any = {};
    if (topic) {
      try {
        // 批量生成所有问题的提示，传入modelId
        const purposes = questionTemplates.slice(0, count).map(t => t.purpose);
        dynamicHints = await aiHintService.generateBatchHints(topic, purposes, { modelId });
      } catch (error) {
        console.error('Failed to generate dynamic hints:', error);
      }
    }

    // 生成问题并附加提示
    const questions: Question[] = questionTemplates.slice(0, count).map((template, index) => {
      const hints = dynamicHints[template.purpose] || {};

      return {
        id: `question-${sessionId}-${index}`,
        text: template.text,
        purpose: template.purpose,
        explanation: template.explanation,
        hints: hints.hints || [],
        examples: hints.examples || [],
        tips: hints.tips || [],
        answer: '',
        skipped: false,
        order: index + 1,
      };
    });

    return questions;
  }

  async saveAnswer(sessionId: string, questionId: string, answer: string): Promise<void> {
    // TODO: 实现真实API调用
    console.log('Saving answer:', questionId, answer);
  }

  // ==================== 观点生成 ====================

  async generateViewpoints(data: {
    sessionId: string;
    questionAnswers: Record<string, string>;
    models: string[];
    perspectives: string[];
  }): Promise<void> {
    // TODO: 实现WebSocket调用
    console.log('Generating viewpoints:', data);
  }

  // ==================== 提纲生成 ====================

  async generateOutline(data: {
    sessionId: string;
    viewpoints: Viewpoint[];
    style: string;
    targetWordCount: number;
  }): Promise<Outline> {
    // TODO: 实现真实API调用
    throw new Error('Not implemented');
  }

  async optimizeOutline(outlineId: string): Promise<any> {
    // TODO: 实现真实API调用
    throw new Error('Not implemented');
  }

  // ==================== 段落生成 ====================

  async generateParagraph(data: {
    outlineNodeId: string;
    versionCount: number;
    strategies: string[];
  }): Promise<void> {
    // TODO: 实现WebSocket调用
    console.log('Generating paragraph:', data);
  }
}

export const brainstormService = new BrainstormService();
